Debugging or auditing.
Proofreading
Editing
Debugging.
Proofreading is the process of finding and correcting errors.
There are many different names, but one of them is called debugging.
proof reading
proof reading
debugging
editing and proofreading duh
This is called the editing stage.
Testing is the process of finding effort in software code.
Debugging
editings
This is when you are correcting an email you sent with errors.